adjective
- existing in the imagination; imaginary; unreal: fantastic terrors
- having a strange or weird appearance; grotesque; odd; quaint: fantastic designs
- strange and unusual; extravagant; capricious; eccentric: a fantastic plan
- seemingly impossible; incredible: fantastic progress in science
Origin:
ME fantastik < OFr fantastique < ML fantasticus < LL phantasticus < Gr phantastikos, able to present or represent to the mind < phantazein, to make visible < phainein, to show: see fantasy
noun
a person who is fantastic in behavior, dress, etc.; eccentric